Heinemann Publishers (Oxford) Ltd

http://www.oxfordshire.co.uk/data/012382.html/

Kelvin Hughes Ltd

http://www.kelvinhughes.co.uk/main.htm/

Librería Balear de Náutica

http://libreria.escuelabalearnautica.com/

Publishers´s Catalogues

http://www.lights.com/publisher/

Sea Man Ships

http://www.seamanship.com

Ships & The Sea

http://www.nleditions.com/

International Maritime Organitation